64130240235 has 32 divisors (see below), whose sum is σ = 103112064000. Its totient is φ = 34035111936.

The previous prime is 64130240201. The next prime is 64130240311. The reversal of 64130240235 is 53204203146.

It is not a de Polignac number, because 64130240235 - 2¹⁵ = 64130207467 is a prime.

It is a super-2 number, since 2×64130240235² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5655051 + ... + 5666379.

It is an arithmetic number, because the mean of its divisors is an integer number (3222252000).

Almost surely, 2^64130240235 is an apocalyptic number.

64130240235 is a deficient number, since it is larger than the sum of its proper divisors (38981823765).

64130240235 is a wasteful number, since it uses less digits than its factorization.

64130240235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13155.

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 64130240235 in words is "sixty-four billion, one hundred thirty million, two hundred forty thousand, two hundred thirty-five".